The best position for a greenhouse is in as much sunlight as possible during all seasons of the year. Avoid locating your greenhouse in the shadow of tall trees, boundary fences, or walls as these will obstruct light.
For lean-to greenhouses placed against a wall, a south-facing position is ideal. For stand-alone structures, the ridge along the top of the greenhouse should ideally run from East to West, this will allow the sun to run along its longest side during the day. Other elemental considerations include a location to avoid prevailing winds to reduce unnecessary cooling and choosing a site which is not shaded, but equally not too exposed to the cold. If possible, choose an area that is easily accessible from the property allowing you to ‘pop-in’ to the greenhouse regularly.
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